A method and system for preventing battery thermal runaway are provided. The method includes: detecting or predicting whether there is a thermal runaway risk for each battery cell or battery module of a battery pack; and in response to detecting or predicting that there is a thermal runaway risk for at least one battery cell or battery module of the battery pack, transferring battery energy of the at least one battery cell or battery module to the battery pack or another battery pack as thermal energy or electric energy.

Exemplary temperature-adaptive battery charging systems can discontinue, or disable, charging of the rechargeable battery in accordance with various C rates, such as the C/40 rate, the C/20 rate, and/or the C/15 rate to provide some examples, in response to the temperature of the rechargeable battery. In some embodiments, the exemplary temperature-adaptive battery charging systems can discontinue, or disable, charging of the rechargeable battery in accordance a first C rate, such as the C/40 rate to provide an example, when the temperature of the rechargeable battery is within a first temperature range. The exemplary temperature-adaptive battery charging systems can dynamically adapt the discontinuing, or cutting off, of the charging of the rechargeable battery in response to the temperature of the rechargeable battery increasing and/or decreasing as the rechargeable battery being charged. The exemplary temperature-adaptive battery charging systems can dynamically adapt the discontinuing, or cutting off, of the charging of the rechargeable battery from being in accordance with the first C rate to be in accordance with a second C rate, such as the C/20 rate or the C/15 rate to provide some examples, when the temperature of the rechargeable battery increases from the first temperature range to a second temperature range.

A storage battery device including a housing, battery packs, and a heat detection member having a linear structure. The battery packs are accommodated in the housing. The battery packs are electrically connectable to each other. The heat detection member has a heat detection function and continuously extends while making thermal contact with a member located near bottom surfaces of the battery packs.

An apparatus for wireless charging includes a charger, a wireless transmitting controller and a transmitting coil. The charger is configured to output a first voltage to the wireless transmitting controller. The wireless transmitting controller is configured to boost the first voltage to obtain a second voltage, and the second voltage is greater than the first voltage.

The transmitting coil is configured to perform a wireless charging capability output at the second voltage. A terminal includes a wireless receiving coil, a wireless receiving controller and a step-down processor. The wireless receiving coil receives the charging signal from an apparatus for wireless charging. The wireless receiving controller processes the charging voltage to obtain a third voltage of direct current; and the step-down processor steps down the third voltage to obtain a fourth voltage within a charging range acceptable by the terminal and charge a battery of the terminal by the fourth voltage.

An aerosol-generating system includes an electric heater, a battery and control circuitry. The electric heater is configured to vaporize an aerosol-forming substance. The battery is configured to power the electric heater. The control circuitry is configured to: prevent charging of the battery in response to detecting that the electric heater is in an operation state; or prevent operation of the electric heater in response to detecting that the battery is in a charging state.

A charge/discharge device for an activation process of a secondary battery including an accommodation structure having a plurality of accommodation spaces and provided with a wiring duct at one side of each of the accommodation spaces, each of a plurality of charge/discharge boxes installed in each of the plurality of accommodation spaces, wires wired in a space inside the wiring duct, and an exhaust fan installed on an inner wall of the wiring duct, in which the exhaust fan is installed on the inner wall of the wiring duct adjacent to one side of the accommodation space, and the wires are wired to pass an external side of the exhaust fan is provided. A heat insulation panel may be additionally installed together with the exhaust fan in the wiring duct.

A control switch incorporating a 1:2 demultiplexer is used in controlling timing for concurrent switching, break-before-make and make-before-break power multiplexing, and is configurable to link a plurality of the control switches into a control chain to perform sequential charging, sequential discharging, parallel charging, parallel discharging, simultaneous sequential charging and discharging for a plurality of batteries coupled to the control chain in a power system.

Systems and methods for operating a circuit. The methods comprise: using a first thermal responsive device to connect a first power source between first and second terminals to which an external load can be connected to the circuit; using a second thermal responsive device to cause a thermal unresponsive device to be in an open circuit condition; and performing operations responsive to a temperature of a surrounding environment exceeding a given temperature value. The operations include: disconnecting the first power source from at least the first terminal by transitioning the first thermal responsive device from a closed state to an open state; and connecting a second power source between the first and second terminals by transitioning the thermal unresponsive device from the open circuit condition to a closed circuit condition using the second thermal responsive device.

An electric aircraft battery pack that includes an integrated battery management component, which determines if a power supply connection between the battery pack and the electric aircraft should be terminated due to a failure, defect, or malfunction of the battery pack, such as a failure of a battery module of the battery pack.

A temperature-sensitive battery connector is disclosed. The connector can include a connector body and at least one conductor mounted to the connector body and configured to convey a current signal used to measure voltage from a battery pack or battery cell to a battery management system (BMS). The connector can include a thermal switching device mounted to the connector body and thermally coupled to a terminal of a battery pack or a battery cell. The thermal switching device can be configured to provide an overtemperature signal to the BMS by changing or interrupting a current conducted by at least one conductor when a temperature of the battery pack or battery cell exceeds a threshold temperature.